公用配电装置、电源照明、空调滤网及排风装置等常规的维护及维修。
Repairing and maintenance of common area electricity supply system, lighting, filter of air-condition and ventilation system.
——换了空调过滤网，喷了杀虫药，给火灾报警器换了电池，等等。
Replaced the AC filter, applied pest control spay, replaced fire alarm batteries, etc.
完成了家里一些基本的维修工作。——换了空调过滤网，喷了杀虫药，给火灾报警器换了电池，等等。
Handled basic household maintenance. - replaced the ac filter, applied pest control spay, replaced fire alarm batteries, etc.
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